Finding the Fourth Proportional to 64,919.25, 89,588.59 and 35,111.25

Step by Step Solution

1. Step 1: Write the proportion equation
   64,919.25 : 89,588.59 = 35,111.25 : x
2. Step 2: Convert to fraction form
   64,919.25/89,588.59 = 35,111.25/x
3. Step 3: Cross multiply
   64,919.25x = 89,588.59 × 35,111.25
4. Step 4: Simplify right side
   64,919.25x = 3,145,567,380.64
5. Step 5: Solve for x
   x = 3,145,567,380.64/64,919.25
6. Step 6: Final answer
   x = 48,453.54